CN110966043A - Fire door is prevented in mine with function of putting out a fire fast - Google Patents
Fire door is prevented in mine with function of putting out a fire fast Download PDFInfo
- Publication number
- CN110966043A CN110966043A CN201911323447.1A CN201911323447A CN110966043A CN 110966043 A CN110966043 A CN 110966043A CN 201911323447 A CN201911323447 A CN 201911323447A CN 110966043 A CN110966043 A CN 110966043A
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- door
- push
- fireproof door
- groove
- fire
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- 239000003990 capacitor Substances 0.000 claims abstract description 36
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 13
- 239000001301 oxygen Substances 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 27
- 230000005291 magnetic effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Special Wing (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a mine fireproof door with a quick fire extinguishing function, which comprises two fireproof door bodies and conductors, wherein a through groove is formed in the fireproof door bodies in a penetrating mode, the conductors are connected with the two fireproof door bodies at the same time, the middle parts of the conductors are connected with a lead and a thermistor, two ends of the lead are respectively connected with push doors, two sides of each fireproof door body are respectively provided with one push door, one side, close to each other, of each push door is provided with a current-conducting plate, the two current-conducting plates form a parallel plate capacitor, the bottom of each push door is provided with a sliding groove and is matched with a sliding rail arranged on the ground. The advantage lies in, charges to the parallel plate condenser that comprises two current conducting plates through the effect at the thermoelectric current for gaseous emergence in leading to the inslot shifts, and outside discharge oxygen under the breakdown effect, realizes the effect of periodic oxygen extraction, thereby the content of the combustion-supporting medium when reducing flame burning, accelerates its speed of self-extinguishing.
Description
Technical Field
The invention relates to the field of mine fire prevention, in particular to a mine fire door with a quick fire extinguishing function.
Background
Mine fire doors are a safety device to prevent the spread of fire underground and to control the flow of wind. The construction of the fire-proof door is that the fire smoke flow is cut off in the coal mine, the fire is prevented from spreading, and therefore the effective measures of casualties are reduced.
The mine safety door in the prior art is simple in structure, only can achieve the effect of isolating smoke flow and fire, cannot reduce the fire intensity between two fireproof doors, and due to the isolation effect of the fireproof doors and a large amount of harmful gas generated by combustion in the fireproof doors, workers cannot enter the fireproof doors to conduct fire extinguishing operation and can only extinguish the fire naturally.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a mine safety door is simple in structure, only smoke flow and fire are isolated, the fire behavior cannot be reduced, and only the fire can be naturally extinguished after waiting for the fire, and provides the mine fire door with a rapid fire extinguishing function.
In order to achieve the purpose, the invention adopts the following technical scheme: a mine fireproof door with a quick fire extinguishing function comprises two fireproof door bodies and conductors, wherein through grooves are formed in the fireproof door bodies in a penetrating mode, the conductors are connected with the two fireproof door bodies at the same time, the middle parts of the conductors are connected with a lead and a thermistor, two ends of the lead are connected with push doors respectively, two sides of each fireproof door body are provided with one push door respectively, one side, close to each other, of each push door is provided with a current-conducting plate, the two current-conducting plates form a parallel plate capacitor, and the bottoms of the push doors are provided with sliding grooves and matched with sliding rails arranged on the ground;
two sides of the through groove are respectively provided with a first gas channel, one end of each of the two first gas channels is communicated with the inner side of the through groove, one end of each of the two first gas channels, which is far away from the through groove, is communicated with the two sides of the fireproof door body, one end of each of the conductors, which is positioned outside the two fireproof door bodies, is electrically connected with the current-conducting plate on the corresponding push door, and one end of each of the conductors, which is far away from the thermistor, is communicated with the current-conducting plate in the corresponding;
the two fireproof door bodies are all provided with a fan at one outer side, the fan is connected with a capacitor embedded in the inner wall of the fireproof door body, the capacitor is connected with a parallel plate capacitor in parallel, and the first gas channel is provided with a pressure valve.
In the mine fireproof door with the rapid fire extinguishing function, two of the fireproof door bodies are provided with the heat insulation layer in the pushing door arranged on one side close to each other, the bottom of the transparent layer is connected with the conductive plate, the through groove is provided with the second gas channel, and the second gas channel is provided with the electromagnetic valve.
In the mine fireproof door with the rapid fire extinguishing function, the limit voltage of the capacitor is greater than that of the parallel plate capacitor, the conductor is connected with an electromagnet fixed on one side of the sliding rail far away from the push door, and a permanent magnet layer opposite to the same pole of the electromagnet is arranged in the push door.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the conductors arranged in the two fireproof door bodies are used as a thermal power supply, so that when a fire disaster occurs in a mine, the temperature of a certain part of the conductors rises, and the two ends of the conductors are positioned at the outer side of the fireproof door and are influenced by the heat insulation effect of the fireproof door, and the temperature is lower, so that hot spot potentials are generated at the two ends of the conductors, and the current in the conducting wire is conducted under the action of the thermistor, so that the electromagnet is electrified and magnetized, the push door is closed under the action of the magnetic repulsion force of the permanent magnet layer in the push door, the fireproof door is closed, and the effect of isolating smoke flow and fire potential at the first time;
2. when the two pushing doors are closed, the two pushing doors are provided with the conductive plates at the sides close to each other, so that the two conductive plates are opposite to each other, the two pushing doors and the gas in the through groove can jointly form a large-sized parallel plate capacitor under the action of the thermal current, the thermal current is electrically acted on the two pushing doors and the capacitor when connected through the parallel plate capacitor, and the limit voltage of the capacitor is set to be greater than that of the parallel plate capacitor;
3. parallel plate capacitor is under the effect of charging, and self internal insulation space leads to the air in groove promptly and produces magnetic field because displacement current's change, when the intensity of a fire takes place promptly, leads to the inslot portion and produces magnetic field, and because oxygen has strong paramagnetic characteristics, oxygen can move to the direction that magnetic field strengthens promptly, and sets up the magnetic field direction for being by the inboard directional outside of fire door body, then leads to the air composition redistribution in the inslot at this in-process, and the part that is close to the fire door body outside has most oxygen. When the fire is increased, the generated thermal current and hot spot voltage are higher, the parallel plate capacitor is broken down, so that the parallel plate capacitor is used as a lead to discharge the electric quantity carried by the capacitor, and the air in the through groove is ionized at the moment, and the temperature is rapidly increased;
4. the temperature in the through groove rises to enable the pressure valve to be expanded to break through the closed state of the pressure valve, and the fan rotates in the process that current flows through the fan, so that the electromagnetic valve is opened in the discharging process of the capacitor, gas in the hollow groove is output to two sides, part of oxygen output to the outer side of the fireproof door is high, part of oxygen input to the inner side of the fireproof door is low, the gas on the inner side of the fireproof door is enabled to rapidly enter the through groove through the second gas channel through centrifugal rotation of the fan, and the parallel plate capacitor has self-healing performance due to the fact that the dielectric medium of the parallel plate capacitor is air, and can be recovered to be normally used in a short time;
5. at the moment, the thermoelectric current acts on the parallel plate capacitor again, so that the air pumped by the wind wheel from the inner side of the fireproof door is redistributed continuously, and when the wind wheel is broken down next time, part of air with larger oxygen content is output to the outside of the fireproof door continuously, so that the whole body realizes the effect of periodically outputting oxygen outwards, the content of oxygen at the inner side of the fireproof door is reduced, the medium of redox reaction during combustion is reduced, more incomplete reaction is carried out, and the process of natural extinguishing is accelerated.
Drawings
Fig. 1 is a schematic structural view of a fire door for a mine according to the present invention, which has a function of rapid fire extinguishing;
fig. 2 is an enlarged schematic view of a portion a of a fire door for a mine according to the present invention, which has a rapid fire extinguishing function;
fig. 3 is a circuit diagram of a mine fire door with a quick fire extinguishing function according to the present invention.
In the figure: the fire door comprises a fire door body 1, a conductor 2, a lead 3, a thermistor 4, a pressure valve 5, a push door 6, a current conducting plate 7, a slide rail 8, a through groove 9, a first gas channel 10, a fan 11, a capacitor 12, an electromagnet 13, a second gas channel 14 and an electromagnetic valve 15.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a mine fireproof door with a quick fire extinguishing function comprises two fireproof door bodies 1 and a conductor 2, wherein the fireproof door body 1 is provided with a through groove 9 in a penetrating manner, the conductor 2 is simultaneously connected with the two fireproof door bodies 1, the middle part of the conductor 2 is connected with a lead 3 and a thermistor 4, two ends of the lead 3 are respectively connected with a push door 6, two sides of each fireproof door body 1 are respectively provided with one push door 6, one side, close to each other, of the two push doors 6 is provided with a current-conducting plate 7, the two current-conducting plates 7 form a parallel plate capacitor, and the bottom of each push door 6 is provided with a sliding groove and is;
two sides of the through groove 9 are respectively provided with a first gas channel 10, one end of each of the two first gas channels 10 is communicated with the inner side of the through groove 9, one end of each of the two first gas channels 10 far away from the through groove 9 is respectively communicated with two sides of the fireproof door body 1, one end of each of the conductors 2 positioned outside the two fireproof door bodies 1 is electrically connected with the current conducting plate 7 on the corresponding push door 6, so that a current loop is formed, one end of each of the wires 3 far away from the thermistor 4 is communicated with the current conducting plate 7 in the corresponding push door 6, one side of each of the two fireproof door bodies 1 is provided with a fan 11, an impeller in each of the fans 11 is of a centrifugal wind wheel structure, so that air is sucked into the fireproof door body 1 when rotating, each fan 11 is connected with a capacitor 12 embedded in the inner wall of the fireproof door body 1, the capacitor is, when the Chinese pressure in the through groove 9 does not exceed the opening pressure of the pressure valve 5, the pressure valve is in a closed state.
Be equipped with the insulating layer in the sliding door 6 that two prevent fire door bodies 1 are close to one side setting each other, a heat for keeping apart in preventing fire door body 1, second gas passage 14 has been seted up in logical groove 9, be equipped with solenoid valve 15 in the second gas passage 14, the ultimate voltage who sets up the condenser is greater than the ultimate voltage of parallel plate capacitor, be connected with when conductor 2 and fix one side electro-magnet 13 of keeping away from sliding rail 8 sliding door 6, be equipped with the permanent magnet layer with 13 homopolar facies of electro-magnet in the sliding door 6, make electro-magnet 13 electrified magnetism of taking under the effect of thermal current, thereby promote sliding door 6 and be in and close logical groove 9, make isolation plume and conflagration.
In the invention, when a fire disaster occurs, the temperature of the part of the conductor 2 close to the fire disaster is rapidly raised, and the two ends of the conductor are positioned outside the fireproof door body 1, the temperature is lower, the conductor 2 generates the temperature difference electromotive force and conducts the circuit with the electromagnet 13, so that the electromagnet 13 drives the push door 6 to be rapidly closed, and the push door is firstly closed when the fire disaster starts, thereby isolating smoke flow and the fire disaster;
meanwhile, the conducting plate 7 arranged at one side of the two push doors 6 close to each other forms a parallel plate capacitor, and is charged by thermoelectromotive force with the capacitor, so that the potential difference between two ends of the two push doors is simultaneously improved, because the limit voltage of the parallel plate capacitor is smaller than the limit voltage of the capacitor, the parallel plate capacitor is subjected to breakdown phenomenon after reaching the limit voltage, the through groove can be regarded as a conducting wire in a period of time, in the previous charging process, a magnetic field is generated by a changed electric field in the parallel plate capacitor, oxygen in the air moves towards the direction of a magnetic induction line, gas components in the through groove 9 are redistributed, the oxygen content of the part positioned at the outer side is larger, and in the breakdown process, because the temperature is rapidly increased, the air pressure in the through groove 9 is increased and exceeds the opening pressure of the pressure valve 5, and expands towards the first gas channels 10 at two sides, and, breakdown current can lead fan 11 and solenoid valve 15 simultaneously for fan 11 rotates, thereby make the logical groove 9 of blowout gas from preventing the inboard second gas passage 14 make-up gas of fire door body 1 to improve gaseous transfer rate, make the inboard oxygen of fire door body 1 shift to the outside as early as possible, and the setting of solenoid valve 15 can guarantee when no current, gaseous can not pass through second gas passage 14, and the parallel plate capacitor is the air because the dielectric, then can resume rapidly after taking place to puncture, and continue to use.
The circuit diagram of the setting circuit is shown in fig. 3, the electromagnet s2 is arranged in the trunk circuit, so that as long as a thermoelectric potential is generated, the electromagnet s2 is kept electrified, the thermistor s8 is arranged in the parallel circuit, the thermistor s8 is set to have higher temperature and smaller resistance, so that the charging time is reduced, the breakdown efficiency is improved, and the speed of gas distribution to the two sides of the protective door body 1 is improved.
Although the terms of the fire door body 1, the conductor 2, the wire 3, the thermistor 4, the pressure valve 5, the push door 6, the conductive plate 7, the slide rail 8, the through groove 9, the first gas passage 10, the fan 11, the capacitor 12, the electromagnet 13, the second gas passage 14, the electromagnetic valve 15, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (3)
1. A mine fireproof door with a quick fire extinguishing function comprises two fireproof door bodies (1) and a conductor (2), and is characterized in that the fireproof door bodies (1) are provided with through grooves (9) in a penetrating mode, the conductor (2) is connected with the two fireproof door bodies (1) at the same time, the middle part of the conductor (2) is connected with a lead (3) and a thermistor (4), two ends of the lead (3) are respectively connected with push doors (6), two sides of each fireproof door body (1) are respectively provided with one push door (6), one sides of the two push doors (6) close to each other are provided with a conductive plate (7), the two conductive plates (7) form a parallel plate capacitor, and the bottom of each push door (6) is provided with a sliding groove and matched with a sliding rail (8) arranged on the ground;
two sides of the through groove (9) are respectively provided with a first gas channel (10), one end of each of the two first gas channels (10) is communicated with the inner side of the through groove (9), one end, far away from the through groove (9), of each of the two first gas channels (10) is respectively communicated with two sides of the fireproof door body (1), one end, located outside the two fireproof door bodies (1), of the conductor (2) is electrically connected with the current conducting plate (7) on the corresponding push door (6), and one end, far away from the thermistor (4), of the conductor (3) is communicated with the current conducting plate (7) in the push door (6) on the corresponding side;
two prevent that one side outside fire door body (1) all is equipped with one fan (11), fan (11) are connected with and inlay condenser (12) of establishing at fire door body (1) inner wall, the condenser is parallelly connected with the parallel plate condenser, two a pressure valve (5) have all been seted up in first gas passage (10).
2. The mine fireproof door with the rapid fire extinguishing function according to claim 1, wherein a push door (6) arranged on one side of the two fireproof door bodies (1) close to each other is provided with an end heat insulation layer, the through groove (9) is provided with a second gas passage (14), and the second gas passage (14) is provided with a solenoid valve (15).
3. The mine fireproof door with the rapid fire extinguishing function according to claim 1, wherein the limiting voltage of the capacitor is larger than that of the parallel plate capacitor, the conductor (2) is connected with an electromagnet (13) fixed on one side of the sliding rail (8) far away from the push door (6), and a permanent magnet layer opposite to the electromagnet (13) in the same polarity is arranged in the push door (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323447.1A CN110966043B (en) | 2019-12-20 | 2019-12-20 | Fire door is prevented in mine with function of putting out a fire fast |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323447.1A CN110966043B (en) | 2019-12-20 | 2019-12-20 | Fire door is prevented in mine with function of putting out a fire fast |
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| Publication Number | Publication Date |
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| CN110966043A true CN110966043A (en) | 2020-04-07 |
| CN110966043B CN110966043B (en) | 2021-09-10 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1314120A1 (en) * | 1985-10-25 | 1987-05-30 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Protection partition for mines |
| CN103532439A (en) * | 2013-10-08 | 2014-01-22 | 北京理工大学 | Dual-form thermoelectric power generation device |
| CN203835458U (en) * | 2014-05-12 | 2014-09-17 | 象山忠建建筑材料有限公司 | Automatic blocking device for mining explosion door |
| CN204804880U (en) * | 2015-07-20 | 2015-11-25 | 山东科技大学 | Mining ventilating shaft electromagnetism explosion -proof equipment |
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| CN109736664A (en) * | 2019-02-28 | 2019-05-10 | 上海金盾消防智能科技有限公司 | An integrated fire door electric door closer |
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| CN209592639U (en) * | 2019-04-04 | 2019-11-05 | 广州市智馨电气有限公司 | A kind of idle low-voltage capacitance compensating cabinet |
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| CN209637597U (en) * | 2019-01-22 | 2019-11-15 | 河北江成建筑工程有限公司 | Fire resistant doorsets |
-
2019
- 2019-12-20 CN CN201911323447.1A patent/CN110966043B/en active Active
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Effective date of registration: 20210826 Address after: 344000 Tianchang electrical plant south of Weiwu Road, Fuzhou high tech Industrial Development Zone, Fuzhou City, Jiangxi Province (workshops a and B in the hospital of Jiangxi Tianchang Electrical Technology Co., Ltd.) Applicant after: Fuzhou Tiancheng door industry Co.,Ltd. Address before: New campus of Zhengzhou University, No.100, science Avenue, high tech Zone, Zhengzhou City, Henan Province Applicant before: Zhang Gan |
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Effective date of registration: 20221208 Address after: 344000 East of 1st Floor, Building B1, Xinzhi Science Park, No. 198, Jinyou Avenue, Fuzhou Hi tech Industrial Development Zone, Fuzhou City, Jiangxi Province Patentee after: Fuzhou SME Service Co.,Ltd. Address before: 344000 Tianchang electrical plant south of Weiwu Road, Fuzhou high tech Industrial Development Zone, Fuzhou City, Jiangxi Province (workshops a and B in the hospital of Jiangxi Tianchang Electrical Technology Co., Ltd.) Patentee before: Fuzhou Tiancheng door industry Co.,Ltd. |
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Effective date of registration: 20231009 Address after: 344000 Tianchang electrical plant south of Weiwu Road, Fuzhou high tech Industrial Development Zone, Fuzhou City, Jiangxi Province (workshops a and B in the hospital of Jiangxi Tianchang Electrical Technology Co., Ltd.) Patentee after: Fuzhou Tiancheng door industry Co.,Ltd. Address before: 344000 East of 1st Floor, Building B1, Xinzhi Science Park, No. 198, Jinyou Avenue, Fuzhou Hi tech Industrial Development Zone, Fuzhou City, Jiangxi Province Patentee before: Fuzhou SME Service Co.,Ltd. |
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